John 1:5
The light shines in the darkness, and the darkness has not understood it — the cosmic struggle between light and darkness begins here, establishing John's dualistic framework without implying metaphysical Gnosticism. The darkness "has not understood" (katalabein) carries a double sense: both cognitive comprehension and hostile overpowering, foreshadowing the world's rejection of Jesus. The present tense ("shines") suggests the light's continuous, unquenchable presence even amid opposition. This verse introduces the Gospel's central irony: the light revealing truth meets darkness that cannot extinguish it yet resists it.